Mercurial > sdl-ios-xcode

annotate src/video/SDL_shape_internals.h @ 5157:fb424691cfc7

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Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 02 Feb 2011 14:34:54 -0800
parents 14870d46ee2d
children
rev   line source
4814
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 2010 Eli Gottlieb
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Eli Gottlieb
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20 eligottlieb@gmail.com
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21 */
4817
c68e7490e4cf Fixed a couple of bugs in the general and X11 shape code, and fixed a bug in testshape that was keeping it from recognizing surfaces without alpha. Thanks to Andreas's bit-bashing tip, X11 shaped windows now work entirely, AFAICT.
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22 #include "SDL_config.h"
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23
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24 #ifndef _SDL_shape_internals_h
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25 #define _SDL_shape_internals_h
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26
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27 #include "SDL_rect.h"
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28 #include "SDL_shape.h"
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29 #include "SDL_surface.h"
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30
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31 #include "begin_code.h"
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32 /* Set up for C function definitions, even when using C++ */
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33 #ifdef __cplusplus
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34 /* *INDENT-OFF* */
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35 extern "C" {
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36 /* *INDENT-ON* */
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37 #endif
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38
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39 typedef struct {
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40 struct SDL_ShapeTree *upleft,*upright,*downleft,*downright;
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41 } SDL_QuadTreeChildren;
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42
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43 typedef union {
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44 SDL_QuadTreeChildren children;
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45 SDL_Rect shape;
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46 } SDL_ShapeUnion;
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47
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48 typedef enum { QuadShape,TransparentShape,OpaqueShape } SDL_ShapeKind;
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49
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50 typedef struct {
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51 SDL_ShapeKind kind;
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52 SDL_ShapeUnion data;
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53 } SDL_ShapeTree;
4830
3dfe779900f5 Compiling for cocoa now works. Does it run? We'll see.
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54
3dfe779900f5 Compiling for cocoa now works. Does it run? We'll see.
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55 typedef void(*SDL_TraversalFunction)(SDL_ShapeTree*,void*);
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56
4817
c68e7490e4cf Fixed a couple of bugs in the general and X11 shape code, and fixed a bug in testshape that was keeping it from recognizing surfaces without alpha. Thanks to Andreas's bit-bashing tip, X11 shaped windows now work entirely, AFAICT.
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57 extern void SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitmap,Uint8 ppb);
4837
2e446923c9fb Fixed lots of little bugs in Win32 shaping and in SDL_CalculateShapeTree(). Still not actually showing anything on Windows, though there's no crashes and everything compiles fine. Bugger.
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58 extern SDL_ShapeTree* SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape);
4830
3dfe779900f5 Compiling for cocoa now works. Does it run? We'll see.
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59 extern void SDL_TraverseShapeTree(SDL_ShapeTree *tree,SDL_TraversalFunction function,void* closure);
4850
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
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60 extern void SDL_FreeShapeTree(SDL_ShapeTree** shape_tree);
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61
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62 /* Ends C function definitions when using C++ */
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63 #ifdef __cplusplus
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64 /* *INDENT-OFF* */
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65 }
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66 /* *INDENT-ON* */
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67 #endif
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68 #include "close_code.h"
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69
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70 #endif